64846161 has 12 divisors (see below), whose sum is σ = 93736500. Its totient is φ = 43198560.

The previous prime is 64846153. The next prime is 64846213. The reversal of 64846161 is 16164846.

64846161 is a `hidden beast` number, since 648 + 4 + 6 + 1 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29811600 + 35034561 = 5460^2 + 5919^2 .

It is not a de Polignac number, because 64846161 - 2³ = 64846153 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64846121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22215 + ... + 24963.

It is an arithmetic number, because the mean of its divisors is an integer number (7811375).

Almost surely, 2^64846161 is an apocalyptic number.

It is an amenable number.

64846161 is a deficient number, since it is larger than the sum of its proper divisors (28890339).

64846161 is a wasteful number, since it uses less digits than its factorization.

64846161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376 (or 5373 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 64846161 is about 8052.7114067251. The cubic root of 64846161 is about 401.7551230110.

The spelling of 64846161 in words is "sixty-four million, eight hundred forty-six thousand, one hundred sixty-one".